new-triumph-logoThe team at Bonneville Performance is dedicated to serving new and old TrIumph Bonneville owners and riders who want to individualize their motorcycles and unleash the beast in this remarkable British air-cooled parallel twin engine! We offer the finest quality performance parts and accessories for the modern classic Triumph Bonneville, Scrambler, Thruxton 900, America and Speedmaster motorcycles. This includes our popular and best performing Mikuni Carburetor Kit and Oil Cooler Kit, developed on our AFT Pro Supertracker race bikes.

IN STOCK! The Ultimate Bonneville Performance 1200cc High Performance Crate Engine!

Bonneville Performance 1200cc Crate Engine

Bonneville Performance 1200cc Crate Engine – OWN IT TODAY!

Own the Ultimate Bonneville

We also build what has dubbed the “Ultimate Bonneville” as our custom designed Street Trackers. These are street legal versions of our racing flat trackers, providing 90-104 HP at the rear wheel! Here is our latest 2017 Street Tracker 995 available and IN STOCK today!

Go Fast

American Flat Track LogoBonneville Performance owns and manages the official Castrol-Triumph factory-sponsored American Flat Track racing team featuring Grand National AMA Pro riders. We design and build our own racing Supertrackers at 995-997cc based on the Triumph Bonneville 865cc and 900cc twin engines and our own custom frames and components.

Do Good

VETM-logo-redWe are honored to support the mission of VETMotorsports, a non-profit organization that honors and empowers disabled combat veterans through active participation in motorsports. We do this by providing opportunities for wounded veterans to work with us as part of our pit crew on race days. Consider supporting VETMotorsports today!


    2018 BP Supertracker in Testing

    As many of you know, we did not field an American Flat Track team in 2017, while we were developing a new BP Supertracker based on the new generation of Triumph liquid-cooled twin engines (900cc and 1200cc models). The many months of work are nearing completion as we test our 2018 Supertracker this week at […]

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    2014 Scrambler Project

    Bonneville Performance is currently building a custom 2014 Scrambler with the following performance and feature modifications: 995cc crate engine 12.5:1 compression Ohlins custom tuned suspension Oil Cooler Kit Stainless Steel (black ceramic coated) one-off, custom Supertrapp exhaust system (XR 750 silencers and customer header required fabrication to fit and tune for the engine) Beringer front […]

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    2005 Thruxton Project

    This Bonneville Performance 2005 Thruxton Project is in-process and features the following performance modifications and enhancements: 995cc crate engine 10.5:1 compression Ohlins custom tuned suspension Oil Cooler Kit 45mm Mikuni carb kit Beringer front brake system – 6 piston caliper, rotor and master cylinder lever

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    BikeBound Interview

    Thanks to BikeBound for the interview and blog post on our 2017 Bonneville Performance Street Tracker 995. We appreciate the publicity and links very much! We are looking forward to bringing a new Supertracker race bike to the American Flat Track competition in 2018. The sale of this bike will help us fund that effort. […]

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    What’s in store at Bonneville Performance for 2017?

    American Flat Track Racing Bonneville Performance is busy preparing for the upcoming 2017 American Flat Track racing season. In the works is a new BP Supertracker design based on the new Triumph Bonneville 900cc liquid-cooled twin engines. The new liquid-cooled race engine will be a 995cc with a 97.6mm bore x 66.5mm stroke. It will […]

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    Dirt Track Resurgence?

    There is an encouraging article posted on Cycle World yesterday, written by Kevin Cameron. In it, he talks about how flat dirt track motorcycle racing may be poised for growth and attention because it is the last remaining 2 wheeled sport that is still accessible. Dirt Track Arises? – Hope for the last two-wheeled sport that […]

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    Lima Half Mile 2016

    We arrived at the Allen County Fairgrounds in Lima, Ohio for the Lima Half Mile AMA Pro Flat Track Race. After showing our race credentials and being directed to our spot in the paddock, we set up our pit area. The weather was warm with temperatures expected in the high 80’s, and no rain in the […]

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    Next Up: The Oklahoma City Mile

    We are preparing for the next AMA Pro Flat Track competition race at the Oklahoma City Mile on June 18, 2016! Here’s a link to a promotional video: Here’s the official Oklahoma City Mile website where you can buy tickets. We’ll update this post as more information becomes available!

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    2016 X Games in Austin

    The Triumph factory sponsored Bonneville Performance team placed 9th at the Austin X Games 2016 – Harley Davidson Flat Track Races! Here’s a video from the Harley Davidson Flat Track Races at the 2016 Austin X Games on June 2, 2016  

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    Jake Shoemaker #55 at Springfield Mile 2 - 2015

    2016 Springfield Mile 1

    The Bonneville Performance AMA Pro Flat Track team featuring our rider Jake Shoemaker #55 will be competing at the historic Springfield Mile Race on Sunday, May 29, 2016. Here is a promotional video produced for the event. Plan to join us at the event or watch the race online live at! Here is the […]

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